Gyroscope Wrist Force Ball Arm Exerciser - Spinner Workout

The Wrist Force Ball Arm Exerciser is an essential warm-up, health care, exerciser. The Wrist ball doesn’t need battery, it is powered by rotating the wrist, all you need to do is to increase the speed by making a rotational wrist movement and the speed of rotation can reach up to 12,000R.P.M. The faster you spin, the harder your muscles exercise. Increases strength in fingers, wrists, hands, forearms, biceps, triceps, ligament and shoulders. A perfect exercise gadget for sports like golf, tennis, squash, cricket, badminton, baseball, bowling, basketball, motocross, mountain climbing and many more. Portable, you can take it anywhere and use it anytime! Features: Force Ball, spinner workout Comprehensive Fitness Exercise Lightweight and Portable Durable Material Size : 7.3 * 7.3 * 7.3cm / 2.87 * 2.87 * 2.87in Weight : 260g / 9.17oz Colors: orange, blue, green, purple Gyroscope Wrist Ball Arm Exercise Strengthener LED Force Ball Wrist & Forearms With Speed Meter Show more